javascript exercises day 2 slides 22-26 from ghassan nasr

index.html

@@ -11,8 +11,10 @@
   <meta name="author" content="">
 
   <link href="./css/style.css" rel="stylesheet">
+  <!--
   <script type="text/javascript" src="./js/header-functions.js"></script>
-  <script type="text/javascript" src="./js/slide22.js"></script>
+  -->
+  <script type="text/javascript" src="./js/slide26.js"></script>
 
 </head> <!-- header ends here -->
 <!-- ----------------------------------------------------------------- -->
@@ -45,7 +47,9 @@
   <!-- ====================================================== -->
   <footer>
     <!-- footer of page begins here -->
+    <!--  
     <script type="text/javascript" src="./js/footer-functions.js"></script>
+    -->
   </footer> <!-- footer of page ends here -->
   <!-- ====================================================== -->
   <!-- ====================================================== -->

js/slide22.js

@@ -0,0 +1,11 @@
+
+let userInput = -1;
+let reEnter = false;
+let promptText = "Please enter an integer: ";
+
+while(userInput <= 0 || userInput >= 100) {
+  userInput = window.prompt(promptText);
+  promptText = "Please re-enter: "
+}
+
+alert("The number squared is: " + userInput*userInput);

js/slide23.js

@@ -0,0 +1,12 @@
+
+userInput1 = prompt("Please enter L: ");
+userInput2 = prompt("Please enter U: ");
+
+let numbers = [];
+
+for(num = userInput1; num<userInput2; num++)
+  numbers.push(num);
+
+
+for(let i=0; i<numbers.length; i++)
+  console.log(numbers[i] + " ");

js/slide24.js

@@ -0,0 +1,20 @@
+let arr = [];
+
+for(let i = 0; i < 10; i++)
+  arr[i] = 1;
+
+for(let i = 0; i < 10; i++)
+  console.log(arr[i] + " ");
+
+let doneAsking = false;
+
+while(!doneAsking) {
+  let userIndex = prompt("Give me and index");
+  let userValue = prompt("Give me a value");
+  if(userIndex < arr.length && userIndex >= 0)
+    arr[userIndex] = userValue;
+  else
+    doneAsking = true;
+}
+
+alert("Goodbye! We could not assign the last value you provided. Index out of range!");

js/slide25.js

@@ -0,0 +1,30 @@
+function printArray(array) {
+  let arrStr = "";
+  for(let i = 0; i < 10; i++)
+    arrStr += array[i] + " ";
+  console.log(arrStr);
+}
+
+let arr = [];
+
+for(let i = 0; i < 10; i++)
+  arr[i] = 1;
+
+printArray(arr);
+
+let doneAsking = false;
+
+while(!doneAsking) {
+  let userIndex = prompt("Give me and index");
+  console.log("Input index: " + userIndex);
+  let userValue = prompt("Give me a value");
+  console.log("Input value: " + userValue);
+  if(userIndex < arr.length && userIndex >= 0) {
+    arr[userIndex] = userValue;
+    printArray(arr);
+  }
+  else
+    doneAsking = true;
+}
+
+console.log("Index out of range. Exit!");

js/slide26.js

@@ -0,0 +1,31 @@
+function printArray(array) {
+  let arrStr = "";
+  for(let i = 0; i < array.length; i++)
+    arrStr = arrStr + (array[i] + " ");
+  console.log(arrStr);
+}
+
+
+let fibArr = [];
+let i = 0; 
+
+let lessThan59 = true;
+let nextFib;
+
+while(lessThan59) {
+  if (i == 0)
+    fibArr.push(0);
+  else if (i == 1)
+    fibArr.push(1);
+  else {
+    nextFib = fibArr[i-1] + fibArr[i-2];
+    if (nextFib < 59)
+      fibArr.push(nextFib);
+    else
+      lessThan59 = false;
+  }
+  i++;
+}
+
+console.log("The Fibonacci numbers less than 59 are: \n");
+printArray(fibArr);